Key Takeaway
Plant #26 is a intermittent surface mine producing SandAndGravel, located in Mosinee, Marathon County, WI. It has 36 violations on record (6 S&S) and $5K in proposed penalties. Operated by Milestone Materials Div/Mathy Construction Co.
Plant #26
Operator: Milestone Materials Div/Mathy Construction Co
Controller: Mathy Construction Company
Location: Mosinee, Marathon County, WI
Employees: 3
Recent Violations
View all 36 →| Date | Section | S&S | Negligence | Penalty |
|---|---|---|---|---|
| 06/12/2024 | 56.15003 | Non-S&S | HighNegligence | $147 |
| 08/25/2021 | 56.6202(a)(5) | Non-S&S | ModNegligence | $159 |
| 10/16/2019 | 56.14132(a) | Non-S&S | ModNegligence | $121 |
| 10/16/2019 | 56.14101(a)(2) | Non-S&S | ModNegligence | $121 |
| 10/09/2019 | 56.14207 | Non-S&S | ModNegligence | $121 |
| 10/09/2019 | 46.8(a) | Non-S&S | HighNegligence | $135 |
| 10/09/2019 | 46.5(a) | S&S | HighNegligence | $1,086 |
| 04/03/2019 | 56.14101(a)(2) | Non-S&S | ModNegligence | $121 |
| 08/14/2018 | 56.14101(a)(2) | Non-S&S | ModNegligence | $118 |
| 10/14/2015 | 56.11027 | Non-S&S | ModNegligence | $100 |
| 10/14/2015 | 56.11027 | Non-S&S | ModNegligence | $100 |
| 10/28/2014 | 56.14100(b) | Non-S&S | ModNegligence | $100 |
| 11/14/2011 | 56.14100(b) | Non-S&S | LowNegligence | $100 |
| 11/14/2011 | 56.12008 | Non-S&S | LowNegligence | $100 |
| 10/27/2010 | 56.14112(a)(1) | Non-S&S | ModNegligence | $100 |
| 11/04/2009 | 56.12004 | Non-S&S | ModNegligence | $100 |
| 11/04/2009 | 56.12008 | Non-S&S | ModNegligence | $100 |
| 11/04/2009 | 56.12004 | S&S | ModNegligence | $150 |
| 05/27/2009 | 56.12008 | Non-S&S | LowNegligence | $100 |
| 05/27/2009 | 56.12008 | Non-S&S | ModNegligence | $100 |
Accidents & Injuries
View all 33 →| Date | Classification | Injury | Days Lost |
|---|---|---|---|
| 06/17/2025 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 07/25/2024 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 3d lost |
| 07/16/2024 | POWERED HAULAGE | DAYS AWAY FROM WORK ONLY | 1d lost |
| 11/15/2023 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 5d lost, 36d restricted |
| 03/21/2023 | MACHINERY | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 05/01/2022 | HANDLING OF MATERIALS | DYS AWY FRM WRK & RESTRCTD ACT | 2d lost, 18d restricted |
| 08/07/2019 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 12d lost, 54d restricted |
| 08/06/2018 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 2d lost, 1d restricted |
| 10/17/2017 | HANDLING OF MATERIALS | NO DYS AWY FRM WRK,NO RSTR ACT | None |
| 03/21/2017 | SLIP OR FALL OF PERSON | DYS AWY FRM WRK & RESTRCTD ACT | 5d lost, 3d restricted |
Inspections
View all 32 →| Begin | End | Hours | Inspectors |
|---|---|---|---|
| 06/27/2025 | 06/27/2025 | 9.50 | 1 |
| 03/18/2025 | 03/18/2025 | 20.00 | 1 |
| 06/10/2024 | 06/26/2024 | 23.50 | 1 |
| 09/19/2023 | 09/19/2023 | 8.00 | 1 |
| 08/02/2023 | 08/02/2023 | 13.75 | 1 |
| 07/19/2022 | 07/19/2022 | 1.50 | 1 |
| 02/09/2022 | 02/10/2022 | 16.00 | 1 |
| 08/25/2021 | 08/25/2021 | 7.00 | 1 |
| 10/08/2019 | 10/21/2019 | 44.00 | 1 |
| 04/03/2019 | 04/10/2019 | 58.00 | 1 |
Mine Details
Related Mines
Frequently Asked Questions
How many MSHA violations does Plant #26 have?
Plant #26 has 36 MSHA violations on record, of which 6 are classified as Significant & Substantial (S&S). Total proposed penalties amount to $5K.
What type of mine is Plant #26?
Plant #26 is a Surface mine producing SandAndGravel, located in Mosinee, Marathon County, WI. It currently has 3 employees.
Has anyone been injured or killed at Plant #26?
According to MSHA records, Plant #26 has 33 reported accident/injury records and 0 fatalities on file.
Who operates Plant #26?
Plant #26 is operated by Milestone Materials Div/Mathy Construction Co and controlled by Mathy Construction Company. MSHA Mine ID: 4702928.